# !/usr/bin/env python3
# -*- coding: utf-8 -*-
# aim:    
# author: wangkaixuan
# email:  26554189525@qq.com 
# date:   2018/1/10

from flask import Flask,request

app = Flask(__name__)
@app.route('/',methods=['GET','POST'])
def home():
    return '<h1>Home</h1>'

@app.route('/signin',methods=['GET'])
def signin_form():
    return '''<form action="/signin" method="post">
              <p><input name = "username"></p>  
              <p><input name = "password" type="password"></p>  
              <p><button type = "submit">Sign In</button></p>
              </form>'''

@app.route('/signin',methods=['GET','POST'])
def signin():
    if request.form['username'] == 'admin' and request.form['password'] == 'password':
        return '<h3>Hello,admin!</h3>'
    return '<h3>Bad,username or password!</h3>'

if __name__ == '__main__':
    app.run()